# Basic Civil Engineering Questions and Answers – Types of Structures

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This set of Basic Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Types of Structures”.

1. Pyramid is a type of ___________ structure.
a) Triangulated
b) Massive
c) Pneumatic
d) Framed

Explanation: Massive or lintelled structure is built with a large amount of materials. It can take up compression efficiently and has very few spaces.

2. Pneumatic structure contains:
a) Metal
b) Water
c) Wood
d) Compressed air

Explanation: Compressed air is filled inside a pneumatic structure. It is light and can be deflated and dismantled easily. It is used in fun, activity area for kids.

3. Vault is an architectural term for:
a) Cable
b) Bridges
c) Arch
d) Dam

Explanation: Vault is an arched form used to provide high ceiling spaces. There can be barrel vault or continuous vaults.
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4. How many types of frame structures are there?
a) 2
b) 3
c) 5
d) 4

Explanation: The 2 main types are rigid frame structure and braced frame structure. Both of these are further sub-divided into two.

5. Which of the below is a disadvantage of frame structure?
a) Ease of construction
b) Economy
c) Speed of construction
d) Span length

Explanation: Span length is usually restricted to 40ft when normal R.C.C. is used. Spans greater than this can cause lateral deflections.
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6. In frame structure, what transfers the load to columns?
a) Foundation
b) Beams
c) Slabs
d) Roofs

Explanation: The load bearing action in a framed structure is as follows- slab to a beam, beam to column, column to foundation.

7. In a truss structure, _________ bear tension.
a) Joints
b) Base
c) Bottom chords
d) Top chords

Explanation: The bottom beams are called bottom chords and are capable of bearing tension. The top chords bear compression.

8. The figure below represents a:

a) Warren truss
b) Pratt truss
c) King post truss
d) Lattice truss

Explanation: Warren truss consists of series of equilateral triangles, alternating up and down as shown in the figure.

9. Shell structure does not have any:
a) Bending moment
b) Shear stress
c) Tensile stress
d) Compressive stress

Explanation: It is a thin structure. It resists and transfers loads within its minimal thickness. Loads applied to it are carried to ground by tensile, shear and compressive forces.

10. ___________ structure is a space truss geometry inspired.

Explanation: This structure uses 4 identical L-shaped pieces which results in a trestle structure and allows flexible and versatile design. It allows for rapid assembly. It can be used as road barriers, interior column, interior partitions, etc.

11. Triangulated structure is used for:
a) Wall
b) Bridges
c) Arch
d) High rise buildings

Explanation: Triangulated structure is also referred to as truss. It is widely used in roofing. It is also employed in bridges.

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